JCOB

CARBON ONE SHORT CRANKSETS

$589.95

Chainrings

34/50 (Compact) 36/52 (Mid-Compact) 39/53 (Standard)

Crank Length

145mm 150mm 155mm 160mm 165mm

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Need a shorter than average crankarm length for fit, injury, comfort, or efficiency reasons? JCOB always been your short crankset source, and our Alloy Crankset has been the industry go-to unit. The Carbon One Crankset shares the same JCOB engineering and design, yet it is both lighter at 690 gram and stiffer than its alloy counterpart.

The Carbon One Crankset has a Shimano style spindle. It is easy to install and always delivers smooth, efficient performance. It’s available in compact and mid compact chainring configurations. All options are perfectly compatible with 10 or 11-speed drivetrains. We also offer BB Infinite bottom bracket options to ensure compatibility in any frame.

IMPORTANT NOTE:

Trek BB90 frames require the use of a BB Infinite BB90 bottom bracket with JCOB Cranks. Any use of another bottom bracket in a Trek BB90 frame with JCOB Cranks will void the warranty. Link to bottom bracket below:

For Trek Speed Concept Bike, please contact us before your purchase.

CRANK LENGTHS (mm)	145, 155, 160, 165
CHAINRING BOLT PATTERNS	Alloy one piece 7075 CNC
CHAINRING SIZES	34/50(Compact), 36/52(Mid-Compact), 39/53(Standard)

CRANK SPINDLE	ROAD Shimano 24/24 mm
DRIVETRAIN COMPATIBLE	SHIMANO 10/11, SRAM 10/11, CAMPY 10/11
MATERIAL	FORGED ALLOY
CHAINLINE	42 TO INNER CHAINRING